33. On a game show, a contestant can select one of four boxes. Bpx 1 contains one $100 bill and nine $1 bills. Box 2 contains two $100 bills and eight $1 bills. Box 3 contains three $100 bills and seven $1 bills. Box 4 contains five $100 bills and five $1 bills. The contestant selects a box at random and selects a bill from the box at random. If a $100 bill is selected, find the probability that it came from box 4.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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33. On a game show, a contestant can select one of four boxes. Bpx 1 contains
one $100 bill and nine $1 bills. Box 2 contains two $100 bills and eight $1 bills. Box
3 contains three $100 bills and seven $1 bills. Box 4 contains five $100 bills and
five $1 bills. The contestant selects a box at random and selects a bill from the
box at random. If a $100 bill is selected, find the probability that it came from box
4.
Transcribed Image Text:33. On a game show, a contestant can select one of four boxes. Bpx 1 contains one $100 bill and nine $1 bills. Box 2 contains two $100 bills and eight $1 bills. Box 3 contains three $100 bills and seven $1 bills. Box 4 contains five $100 bills and five $1 bills. The contestant selects a box at random and selects a bill from the box at random. If a $100 bill is selected, find the probability that it came from box 4.
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